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We describe a geometric construction of all nondegenerate trigonometric solutions of the associative and classical Yang-Baxter equations. In the associative case the solutions come from symmetric spherical orders over the irreducible nodal…

Algebraic Geometry · Mathematics 2021-05-10 Alexander Polishchuk

In this paper we study the problem of classification of indecomposable solutions of the Yang-Baxter equation. Using a scheme proposed by Bachiller, Ced\'o, and Jespers, and recent advances in the classification of braces we classify all…

Quantum Algebra · Mathematics 2022-08-16 Santiago Ramírez

In this paper we investigate the algebraic geometric nature of a solution of the Yang-Baxter equation based on the quantum deformation of the centrally extended $sl(2|2)$ superalgebra proposed by Beisert and Koroteev \cite{BEKO}. We derive…

Mathematical Physics · Physics 2017-04-05 M. J. Martins

We produce novel non-involutive solutions of the Yang-Baxter equation coming from (skew) braces. These solutions are generalisations of the known ones coming from braces and skew braces, and surprisingly in the case of braces they are not…

Rings and Algebras · Mathematics 2024-10-03 Anastasia Doikou , Bernard Rybolowicz

The representation theory of the Drinfeld doubles of dihedral groups is used to solve the Yang-Baxter equation. Use of the 2-dimensional representations recovers the six-vertex model solution. Solutions in arbitrary dimensions, which are…

Quantum Algebra · Mathematics 2013-01-03 P. E. Finch , K. A. Dancer , P. S. Isaac , J. Links

Generalization of the quantum Yang-Baxter equation solutions to an arbitrary grading is studied. The noncommutative differential calculi corresponding to such solutions is considered. The connection with the ordinary and supersymmetric…

Quantum Algebra · Mathematics 2007-05-23 W. Marcinek

We present a systematic technique to construct solutions to the Yang-Baxter equation which depend not only on a spectral parameter but in addition on further continuous parameters. These extra parameters enter the Yang-Baxter equation in a…

High Energy Physics - Theory · Physics 2009-10-28 Anthony J. Bracken , Gustav W. Delius , Mark D. Gould , Yao-Zhong Zhang

We obtain a simple family of solutions to the set-theoretic Yang-Baxter equation, one which depends only on considering special endomorphisms of a finite group. We show how such an endomorphism gives rise to two non-degenerate solutions to…

Group Theory · Mathematics 2020-06-24 Alan Koch , Laura Stordy , Paul J. Truman

We investigate a class of non-involutive solutions of the Yang-Baxter equation which generalize self-distributive (derived) solutions. In particular, we study generalized multipermutation solutions in this class. We show that the…

Quantum Algebra · Mathematics 2020-06-04 Přemysl Jedlička , Agata Pilitowska , Anna Zamojska-Dzienio

We present resent results regarding invertible, non-degenerate solutions of the set-theoretic Yang-Baxter and reflection equations. We recall the notion of braces and we present and prove various fundamental properties required for the…

Quantum Algebra · Mathematics 2025-05-21 Anastasia Doikou

We describe several methods of constructing R-matrices that are dependent upon many parameters, for example unitary R-matrices and R-matrices whose entries are functions. As an application, we construct examples of R-matrices with…

Rings and Algebras · Mathematics 2017-11-10 Agata Smoktunowicz , Alicja Smoktunowicz

We associate a deformation of Heisenberg algebra to the suitably normalized Yang $R$-matrix and we investigate its properties. Moreover, we construct new examples of quantum vertex algebras which possess the same representation theory as…

Quantum Algebra · Mathematics 2022-01-25 Marijana Butorac , Slaven Kožić

A universal $R$-matrix for the non-standard (Jordanian) quantum deformation of $sl(2,\R)$ is presented. A family of solutions of the quantum Yang--Baxter equation is obtained from some finite dimensional representations of this Lie…

q-alg · Mathematics 2016-09-08 Angel Ballesteros , Francisco J. Herranz

A new class of indecomposable, irretractable, involutive, non-degenerate set-theoretic solutions of the Yang--Baxter equation is constructed. This class complements the class of such solutions constructed in \cite{CO22} and together they…

Quantum Algebra · Mathematics 2024-06-11 Ferran Cedo , Jan Okninski

The principles of the theory of quantum groups are reviewed from the point of view of the possibility of their use for deformations of symmetries in physical models. The R-matrix approach to the theory of quantum groups is discussed in…

Quantum Algebra · Mathematics 2023-08-02 A. P. Isaev

In this paper we present a characterization of finite simple involutive non-degenerate set-theoretic solutions of the Yang-Baxter equation by means of left braces and we provide some significant examples.

Quantum Algebra · Mathematics 2022-04-01 Marco Castelli

We give a construction of Drienfeld's quantum double for a nonstandard deformation of Borel subalgebra of $sl(2)$. We construct explicitly some simple representations of this quantum algebra and from the universal R-matrix we obtain the…

High Energy Physics - Theory · Physics 2008-02-03 C. Burdik , P. Hellinger

Recently V.Drinfeld formulated a number of problems in quantum group theory. In particular, he suggested to consider ``set-theoretical'' solutions of the quantum Yang-Baxter equation, i.e. solutions given by a permutation $R$ of the set…

q-alg · Mathematics 2008-02-03 Pavel Etingof , Travis Schedler , Alexandre Soloviev

We study the Yang-Baxter equation for the $R$-matrices of the six-vertex model. We analyze the solutions and give new parametrizations of the Yang-Baxter equation. In particular, we find the maximal commutative families of parametrized…

Quantum Algebra · Mathematics 2022-10-27 Slava Naprienko

We study solutions of the Yang-Baxter equation on a tensor product of an arbitrary finite-dimensional and an arbitrary infinite-dimensional representations of the rank one symmetry algebra. We consider the cases of the Lie algebra sl_2, the…

Mathematical Physics · Physics 2015-03-02 D. Chicherin , S. Derkachov